/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.piston.launcher;

import com.piston.app.R;
import com.piston.app.R.drawable;

import android.content.Context;
import android.content.res.Resources;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.ViewGroup;

/**
 * An icon that can appear on in the workspace representing an
 * {@link UserFolder}.
 */
public class FolderIcon extends BubbleTextView implements DropTarget {
	private UserFolderInfo mInfo;
	private LauncherNew mLauncher;
	private Drawable mCloseIcon;
	private Drawable mOpenIcon;

	public FolderIcon(Context context, AttributeSet attrs) {
		super(context, attrs);
	}

	public FolderIcon(Context context) {
		super(context);
	}

	static FolderIcon fromXml(int resId, LauncherNew launcher, ViewGroup group,
			UserFolderInfo folderInfo) {

		FolderIcon icon = (FolderIcon) LayoutInflater.from(launcher).inflate(
				resId, group, false);

		final Resources resources = launcher.getResources();
		Drawable d = resources.getDrawable(R.drawable.ic_launcher_folder);
		icon.mCloseIcon = d;
		icon.mOpenIcon = resources
				.getDrawable(R.drawable.ic_launcher_folder_open);
		icon.setCompoundDrawablesWithIntrinsicBounds(null, d, null, null);
		icon.setText(folderInfo.title);
		icon.setTag(folderInfo);
		icon.setOnClickListener(launcher);
		icon.mInfo = folderInfo;
		icon.mLauncher = launcher;

		return icon;
	}

	public boolean acceptDrop(DragSource source, int x, int y, int xOffset,
			int yOffset, DragView dragView, Object dragInfo) {
		final ItemInfo item = (ItemInfo) dragInfo;
		final int itemType = item.itemType;
		return (itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION || itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT)
				&& item.container != mInfo.id;
	}

	public Rect estimateDropLocation(DragSource source, int x, int y,
			int xOffset, int yOffset, DragView dragView, Object dragInfo,
			Rect recycle) {
		return null;
	}

	public void onDrop(DragSource source, int x, int y, int xOffset,
			int yOffset, DragView dragView, Object dragInfo) {
		ShortcutInfo item;
		if (dragInfo instanceof ApplicationInfo) {
			// Came from all apps -- make a copy
			item = ((ApplicationInfo) dragInfo).makeShortcut();
		} else {
			item = (ShortcutInfo) dragInfo;
		}
		mInfo.add(item);
		LauncherModel.addOrMoveItemInDatabase(mLauncher, item, mInfo.id, 0, 0,
				0);
	}

	public void onDragEnter(DragSource source, int x, int y, int xOffset,
			int yOffset, DragView dragView, Object dragInfo) {
		setCompoundDrawablesWithIntrinsicBounds(null, mOpenIcon, null, null);
	}

	public void onDragOver(DragSource source, int x, int y, int xOffset,
			int yOffset, DragView dragView, Object dragInfo) {
	}

	public void onDragExit(DragSource source, int x, int y, int xOffset,
			int yOffset, DragView dragView, Object dragInfo) {
		setCompoundDrawablesWithIntrinsicBounds(null, mCloseIcon, null, null);
	}
}
